#header{
    width:100%;
    height: 40px;
    /*background: #7d401f;*/
}
.header{
    width: 1200px;
    height: 40px;
    /*background: #0040ff;*/
/*    定义边框*/
    border: 1px solid red;
}
.header-left{
    width: 400px;
    height: 40px;
    float: left;
    /*background: #3a4b7d;*/
}
.header-right{
    width: 500px;
    height: 40px;
    float: right;
    background: #bbbaaf;
}

/*设置头部内容样式*/
.header-left>div{
    float: left;
    /*background: red;*/
    line-height: 40px;
}
/*设置字体加粗*/
.header-left>div>span{
    font-weight: bold;
}

.header-left>div:nth-child(2)>a,.header-left>div:nth-child(2)>a>img{
    float: left;
}

/*.header-left>div:nth-child(2)>a>img{*/
/*    width: 17px;*/
/*}*/